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| Part Number | SN75C189DR | SN75C188DR | SN75C189ADR | SN75C189D |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active |
| Type | Receiver | Driver | Receiver | Receiver |
| Protocol | RS232 | RS232 | RS232 | RS232 |
| Number of Drivers/Receivers | 0/4 | 4/0 | 0/4 | 0/4 |
| Duplex | - | - | - | - |
| Receiver Hysteresis | 330 mV | - | 970 mV | 330 mV |
| Data Rate | - | - | - | - |
| Voltage - Supply | 4.5V ~ 6V | ±4.5V ~ 15V | 4.5V ~ 6V | 4.5V ~ 6V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
